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L6590STN/a1780avaiFULLY INTEGRATED POWER SUPPLY
L6590D013TRSTMN/a2600avaiFULLY INTEGRATED POWER SUPPLY


L6590D013TR ,FULLY INTEGRATED POWER SUPPLYAPPLICATIONSDESCRIPTION■ WALL PLUG POWER SUPPLIES UP TO 15 WThe L6590 is a monolithic switching reg ..
L6591 ,Current mode PWM controller for Asymmetrical Half Bridge converter topologyElectrical characteristics . . . . . 85 Typical characteristics . . . . . . 126 Applicati ..
L6591TR ,Current mode PWM controller for Asymmetrical Half Bridge converter topologyBlock diagram HV VCC16 95CLKOSCTIMING 25 VVrefHV generator ON/O FFandVREG6adaptive ..
L6598 ,HIGH VOLTAGE RESONANT CONTROLLERL6598HIGH VOLTAGE RESONANT CONTROLLER■ HIGH VOLTAGE RAIL UP TO 600V■ ±dV/dt IMMUNITY 50V/ns IN FULL ..
L6598D ,HIGH VOLTAGE RESONANT CONTROLLERL6598HIGH VOLTAGE RESONANT CONTROLLER■ HIGH VOLTAGE RAIL UP TO 600V■ ±dV/dt IMMUNITY 50V/ns IN FULL ..
L6598D013TR ,HIGH VOLTAGE RESONANT CONTROLLERL6598HIGH VOLTAGE RESONANT CONTROLLERFigure 1. Packages1
LC4032V-75TN44I , 3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs
LC4032ZC-75M56C , 3.3V/2.5V/1.8V In-System Programmable SuperFAST High density PDLs
LC4032ZE-5TN48I , 1.8V In-System Programmable Ultra Low Power PLDs
LC4064B-25T48C , 3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs
LC4064B-75TN48C , 3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs
LC4064V-10T100I , 3.3V/2.5V/1.8V In-System Programmable SuperFAST High Density PLDs


L6590-L6590D013TR
FULLY INTEGRATED POWER SUPPLY
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L6590

October 2000 WIDE-RANGE MAINS OPERATION "ON-CHIP" 700V V(BR)DSS POWER MOS 65 kHz INTERNAL OSCILLATOR 2.5V± 2% INTERNAL REFERENCE STANDBY MODE FOR HIGH EFFICIENCY AT
LIGHT LOAD OVERCURRENT AND LATCHED
OVERVOLTAGE PROTECTION NON DISSIPATIVE BUILT-IN START-UP CIRCUIT THERMAL SHUTDOWN WITH HYSTERESIS BROWNOUT PROTECTION (SMD PACKAGE
ONLY)
MAIN APPLICATIONS
WALL PLUG POWER SUPPLIES UP TO15W AC-DC ADAPTERS AUXILIARY POWER SUPPLIES FOR: CRT AND LCD MONITOR (BLUE ANGEL) DESKTOP PC/SERVER FAX, TV, LASER PRINTER HOME APPLIANCES/LIGHTING LINE CARD, DC-DC CONVERTERS
DESCRIPTION

The L6590isa monolithic switching regulator de-
signedin BCD OFF-LINEtechnology, ableto operate
with wide range input voltage andto deliver upto
15W output power. The internal power switchisa lat-
eral power MOSFET witha typical RDS(on)of 13Ω
anda V(BR)DSSof 700V minimum.
FULLY INTEGRATED POWER SUPPLY
TYPICAL APPLICATION CIRCUIT
L6590
2/23
DESCRIPTION
(continued)
The MOSFETis source-grounded, thusitis possible build flyback, boost and forward converters.
The device can work with secondary feedback anda
2.5V±2% internalreference,in additiontoa high gain
error amplifier, makes possible also the usein appli-
cations either with primary feedbackor not isolated.
The internal fixed oscillatorfrequency andthe integrated
non dissipative start-up generator minimize the external
component count and power consumption.
The deviceis equipped witha standby function that
automatically reduces the oscillator frequency fromto22 kHz under light load conditionsto enhance
efficiency (Pin <1W@ Pout= 0.5W with wide range
mains).
Internal protections like cycle-by-cycle current limiting,
latched output overvoltage protection, mains undervolt-
age protection (SMD version only) and thermal shut-
down generatea 'robust' design solution.
TheIC usesa special leadframe with the ground pins
(6,7 and8in minidip,9 to16in SO16W package)in-
ternally connectedin orderfor heattobe easily re-
moved from the silicon die.An heatsink can thenbe
realized by simply making provisionof few cm2of
copperon the PCB. Furthermore, the pin(s) closeto
the high-voltage one are not connectedto ease com-
pliance with safety distanceson the PCB.
BLOCK DIAGRAM
PIN CONNECTIONS
(Top view)
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L6590
PIN FUNCTIONS
THERMAL DATA

(*) Value dependingon PCB copper areaand thickness.
ABSOLUTE MAXIMUM RATINGS
L6590
4/23
ELECTRICAL CHARACTERISTCS
(Tj= -25to 125°C, Vcc= 10V; unless otherwise specified)
POWER SECTION
ERROR AMP SECTION
OSCILLATOR SECTION
5/23
L6590

(*) Parameters trackingonethe other
(**) Parameter guaranteedby design,not testedin production
(***) Parameters guaranteedby design, functionality testedin production
CIRCUIT PROTECTIONS
STANDBY SECTION
BROWNOUT PROTECTION (L6590D only)
THERMAL SHUTDOWN
(***)
ELECTRICAL CHARACTERISTICS
(continued)
Figure1. Start-up& UVLO Thresholds Figure2. Start-up Current Generator
L6590
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Figure3. Start-up Current Generator
Figure4.IC Consumption Before Start-up
Figure5.IC Quiescent Current
Figure6.IC Operating Current
Figure7.IC Operating Current
Figure8. Switching Frequency vs.
Temperature
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L6590
Figure9. Vcc clamp vs. Temperature
Figure 10. OVP Threshold vs. Temperature
Figure 11. OCP Threshold vs. Current Slope
Figure 12. OCP threshold vs. Temperature
Figure 13. Internal E/A Reference Voltage
Figure 14. Error Amplifier Slew Rate
L6590
8/23
Figure 15. COMP pin Characteristic
Figure 16. COMP pin Dynamic Resistance vs.
Temperature
Figure 17. Error Amplifier Gain and Phase
Figure 18. Breakdown Voltage vs. Temperature
Figure 19. Drain Leakage vs. Drain Voltage
Figure 20. Rds(ON) vs. Temperature
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L6590
Figure 21. Rds(ON) vs. Idrain Figure 22. Coss vs. Drain Voltage
Figure 23. Standby Function Thresholds
L6590
10/23
Figure 24. Test Board (1) with Primary Feedback: Electrical Schematic
Figure 25. Test Board (1) Evaluation Data
11/23
L6590
Figure 26. Test Board (1) Main Waveforms
Figure 27. Test Board (2) with Secondary Feedback: Electrical Schematic
L6590
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Figure 28. Test Board (2) evaluation data
Figure 29. Test Board (2) EMI Characterization
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